Home / 2,075,007.66-2,863,730.72-1,216,289.40

Finding the Fourth Proportional to 2,075,007.66, 2,863,730.72 and 1,216,289.40

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Solution

The fourth proportional to 2,075,007.66, 2,863,730.72 and 1,216,289.40 is: 1,678,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,007.66 : 2,863,730.72 = 1,216,289.40 : x
  2. Step 2: Convert to fraction form
    2,075,007.66/2,863,730.72 = 1,216,289.40/x
  3. Step 3: Cross multiply
    2,075,007.66x = 2,863,730.72 × 1,216,289.40
  4. Step 4: Simplify right side
    2,075,007.66x = 3,483,125,319,190.37
  5. Step 5: Solve for x
    x = 3,483,125,319,190.37/2,075,007.66
  6. Step 6: Final answer
    x = 1,678,608.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.